3 years ago

What is the gcf for 36x^2 & 45x^4

1 answer:

4 0

9 goes into both 45 and 36, x^2 goes into both x^2 and x^4
Answer: 9x^2

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ioda

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it is 8.65

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it just is but if it is wrong sorry been a while since i done this

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sweet [91]

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denis-greek [22]

Answer:

$x=\sqrt{7},\:x=-\sqrt{7}$

Step-by-step explanation:

Start by rewriting the equation to standard form $ax^2+bx+c=0$ .

$5(x^2-10)+5=-10,\\5x^2-50+5=-10,\\5x^2-35=0$ .

Factor out the 5, then isolate $x^2$ :

$5x^2-35=0,\\5(x^2-7)=0,\\x^2-7=0,\\x^2=7,\\x=\pm \sqrt{7}.$ .

Therefore, the solutions to this quadratic are:

$x=\sqrt{7},\:x=-\sqrt{7}$

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3 years ago